udev-166-r1/patches/udev-111-root-link-1.patch

diff --git a/extras/root_link/Makefile b/extras/root_link/Makefile
new file mode 100644
index 0000000..76b475d
--- /dev/null
+++ b/extras/root_link/Makefile
@@ -0,0 +1,69 @@
+# Makefile for udev extra invoked from the udev main Makefile
+#
+# Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
+#
+# Released under the GNU General Public License, version 2.
+#
+
+PROG = get_dir_major_minor
+OBJ =
+HEADERS =
+GEN_HEADERS =
+MAN_PAGES =
+
+prefix =
+etcdir =	${prefix}/etc
+sbindir =	${prefix}/sbin
+usrbindir =	${prefix}/usr/bin
+usrsbindir =	${prefix}/usr/sbin
+libudevdir =	${prefix}/lib/udev
+mandir =	${prefix}/usr/share/man
+configdir =	${etcdir}/udev/
+
+INSTALL = install -c
+INSTALL_PROGRAM = ${INSTALL}
+INSTALL_DATA  = ${INSTALL} -m 644
+INSTALL_SCRIPT = ${INSTALL}
+
+all: $(PROG) $(MAN_PAGES)
+.PHONY: all
+.DEFAULT: all
+
+%.o: %.c $(GEN_HEADERS)
+	$(E) "  CC      " $@
+	$(Q) $(CC) -c $(CFLAGS) $< -o $@
+
+$(PROG): %: $(HEADERS) %.o $(OBJS)
+	$(E) "  LD      " $@
+	$(Q) $(LD) $(LDFLAGS) $@.o $(OBJS) -o $@ $(LIBUDEV) $(LIB_OBJS)
+
+# man pages
+%.8: %.xml
+	$(E) "  XMLTO   " $@
+	$(Q) xmlto man $?
+.PRECIOUS: %.8
+
+clean:
+	$(E) "  CLEAN   "
+	$(Q) rm -f $(PROG) $(OBJS) $(GEN_HEADERS)
+.PHONY: clean
+
+install-bin: all
+	$(INSTALL_PROGRAM) -D $(PROG) $(DESTDIR)$(libudevdir)/$(PROG)
+.PHONY: install-bin
+
+uninstall-bin:
+	- rm $(DESTDIR)$(libudevdir)/$(PROG)
+.PHONY: uninstall-bin
+
+install-man:
+	@echo "Please create a man page for this tool."
+.PHONY: install-man
+
+uninstall-man:
+	@echo "Please create a man page for this tool."
+.PHONY: uninstall-man
+
+install-config:
+	@echo "no config file to install"
+.PHONY: install-config
diff --git a/extras/root_link/get_dir_major_minor.c b/extras/root_link/get_dir_major_minor.c
new file mode 100644
index 0000000..1e39411
--- /dev/null
+++ b/extras/root_link/get_dir_major_minor.c
@@ -0,0 +1,48 @@
+// print out major/minor nr of the device the supplied dir 
+// is mounted on
+//
+// Author: Matthias Schwarzott <zzam@gentoo.org>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+// Getting major/minor
+#include <sys/sysmacros.h>
+int main(int argc, char **argv)
+{
+	struct stat stat_buf;
+	unsigned int dev_major=0, dev_minor=0;
+	dev_t dev;
+
+	if (argc != 2) {
+		printf("Usage:\n");
+		printf("  get_dir_major_minor <directory>\n");
+		return EXIT_FAILURE;
+	}
+
+	if (stat(argv[1], &stat_buf) < 0) {
+		perror("stat");
+		return EXIT_FAILURE;
+	}
+
+	dev = stat_buf.st_dev;
+
+	dev_major = gnu_dev_major(dev);
+	dev_minor = gnu_dev_minor(dev);
+
+
+	if (dev_major == 0) {
+		fprintf(stderr, "Major number is 0.\n");
+		return EXIT_FAILURE;
+	} else
+		printf("%d %d\n",
+			dev_major,
+			dev_minor);
+		
+	return EXIT_SUCCESS;
+}
+
diff --git a/extras/root_link/print_root_link_rule.sh b/extras/root_link/print_root_link_rule.sh
new file mode 100755
index 0000000..c33f290
--- /dev/null
+++ b/extras/root_link/print_root_link_rule.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+PROG=/lib/udev/print_dir_major_minor
+[ -x "${PROG}" ] && DEV=$(/lib/udev/print_dir_major_minor /)
+if [ $? == 0 ]; then
+	MAJOR="${DEV##* }"
+	MINOR="${DEV%% *}"
+	
+	echo "# Created by print_root_link_rule"
+	echo "# This rule should create /dev/root as link to real root device."
+	echo "SUBSYSTEM==\"block\", ENV{MAJOR}==\"$MAJOR\", ENV{MINOR}==\"$MINOR\", SYMLINK+=\"root\""
+fi
+
1	diff --git a/extras/root_link/Makefile b/extras/root_link/Makefile
2	new file mode 100644
3	index 0000000..76b475d
4	--- /dev/null
5	+++ b/extras/root_link/Makefile
6	@@ -0,0 +1,69 @@
7	+# Makefile for udev extra invoked from the udev main Makefile
8	+#
9	+# Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
10	+#
11	+# Released under the GNU General Public License, version 2.
12	+#
13	+
14	+PROG = get_dir_major_minor
15	+OBJ =
16	+HEADERS =
17	+GEN_HEADERS =
18	+MAN_PAGES =
19	+
20	+prefix =
21	+etcdir = ${prefix}/etc
22	+sbindir = ${prefix}/sbin
23	+usrbindir = ${prefix}/usr/bin
24	+usrsbindir = ${prefix}/usr/sbin
25	+libudevdir = ${prefix}/lib/udev
26	+mandir = ${prefix}/usr/share/man
27	+configdir = ${etcdir}/udev/
28	+
29	+INSTALL = install -c
30	+INSTALL_PROGRAM = ${INSTALL}
31	+INSTALL_DATA = ${INSTALL} -m 644
32	+INSTALL_SCRIPT = ${INSTALL}
33	+
34	+all: $(PROG) $(MAN_PAGES)
35	+.PHONY: all
36	+.DEFAULT: all
37	+
38	+%.o: %.c $(GEN_HEADERS)
39	+ $(E) " CC " $@
40	+ $(Q) $(CC) -c $(CFLAGS) $< -o $@
41	+
42	+$(PROG): %: $(HEADERS) %.o $(OBJS)
43	+ $(E) " LD " $@
44	+ $(Q) $(LD) $(LDFLAGS) $@.o $(OBJS) -o $@ $(LIBUDEV) $(LIB_OBJS)
45	+
46	+# man pages
47	+%.8: %.xml
48	+ $(E) " XMLTO " $@
49	+ $(Q) xmlto man $?
50	+.PRECIOUS: %.8
51	+
52	+clean:
53	+ $(E) " CLEAN "
54	+ $(Q) rm -f $(PROG) $(OBJS) $(GEN_HEADERS)
55	+.PHONY: clean
56	+
57	+install-bin: all
58	+ $(INSTALL_PROGRAM) -D $(PROG) $(DESTDIR)$(libudevdir)/$(PROG)
59	+.PHONY: install-bin
60	+
61	+uninstall-bin:
62	+ - rm $(DESTDIR)$(libudevdir)/$(PROG)
63	+.PHONY: uninstall-bin
64	+
65	+install-man:
66	+ @echo "Please create a man page for this tool."
67	+.PHONY: install-man
68	+
69	+uninstall-man:
70	+ @echo "Please create a man page for this tool."
71	+.PHONY: uninstall-man
72	+
73	+install-config:
74	+ @echo "no config file to install"
75	+.PHONY: install-config
76	diff --git a/extras/root_link/get_dir_major_minor.c b/extras/root_link/get_dir_major_minor.c
77	new file mode 100644
78	index 0000000..1e39411
79	--- /dev/null
80	+++ b/extras/root_link/get_dir_major_minor.c
81	@@ -0,0 +1,48 @@
82	+// print out major/minor nr of the device the supplied dir
83	+// is mounted on
84	+//
85	+// Author: Matthias Schwarzott <zzam@gentoo.org>
86	+
87	+#include <sys/types.h>
88	+#include <sys/stat.h>
89	+#include <unistd.h>
90	+
91	+#include <stdio.h>
92	+#include <stdlib.h>
93	+
94	+// Getting major/minor
95	+#include <sys/sysmacros.h>
96	+int main(int argc, char **argv)
97	+{
98	+ struct stat stat_buf;
99	+ unsigned int dev_major=0, dev_minor=0;
100	+ dev_t dev;
101	+
102	+ if (argc != 2) {
103	+ printf("Usage:\n");
104	+ printf(" get_dir_major_minor <directory>\n");
105	+ return EXIT_FAILURE;
106	+ }
107	+
108	+ if (stat(argv[1], &stat_buf) < 0) {
109	+ perror("stat");
110	+ return EXIT_FAILURE;
111	+ }
112	+
113	+ dev = stat_buf.st_dev;
114	+
115	+ dev_major = gnu_dev_major(dev);
116	+ dev_minor = gnu_dev_minor(dev);
117	+
118	+
119	+ if (dev_major == 0) {
120	+ fprintf(stderr, "Major number is 0.\n");
121	+ return EXIT_FAILURE;
122	+ } else
123	+ printf("%d %d\n",
124	+ dev_major,
125	+ dev_minor);
126	+
127	+ return EXIT_SUCCESS;
128	+}
129	+
130	diff --git a/extras/root_link/print_root_link_rule.sh b/extras/root_link/print_root_link_rule.sh
131	new file mode 100755
132	index 0000000..c33f290
133	--- /dev/null
134	+++ b/extras/root_link/print_root_link_rule.sh
135	@@ -0,0 +1,13 @@
136	+#!/bin/sh
137	+
138	+PROG=/lib/udev/print_dir_major_minor
139	+[ -x "${PROG}" ] && DEV=$(/lib/udev/print_dir_major_minor /)
140	+if [ $? == 0 ]; then
141	+ MAJOR="${DEV##* }"
142	+ MINOR="${DEV%% *}"
143	+
144	+ echo "# Created by print_root_link_rule"
145	+ echo "# This rule should create /dev/root as link to real root device."
146	+ echo "SUBSYSTEM==\"block\", ENV{MAJOR}==\"$MAJOR\", ENV{MINOR}==\"$MINOR\", SYMLINK+=\"root\""
147	+fi
148	+